19541375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 29113344

約数和(自身を除く): 9571969

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 971, 2875, 4025, 4855, 6797, 20125, 22333, 24275, 33985, 111665, 121375, 156331, 169925, 558325, 781655, 849625, 2791625, 3908275, 19541375]

約数ペア:

[(1, 19541375), (5, 3908275), (7, 2791625), (23, 849625), (25, 781655), (35, 558325), (115, 169925), (125, 156331), (161, 121375), (175, 111665), (575, 33985), (805, 24275), (875, 22333), (971, 20125), (2875, 6797), (4025, 4855)]